OS Max B21 Engine
Brand:
This is the O.S. 21XR-B Ver.2 engine, ideal for beginners or club-level pilots. It features the 21J3 carburetor with 3 needles and venturis of 7 mm and 8 mm.
Tech specifications:
Displacement: 3.49 cc
Bore: 16.27mm
Stroke: 16.80mm
Intake ports: 3-port
Practical RPM range: 4,000 ? 40,000 rpm
Max. power output: 2.42 hp / 34,000 rpm
Weight: 380Gr
16 other products in the same category:
NEW
NEW
Reference: combomars
€549.00
+ 5L Free FuelShot Fuel or Nitrolux!
Out-of-Stock
Reference: BLOK21
€459.00
Combo Blok + 2141
Out-of-Stock
NEW
